package com.xiaohei.process.controller;


import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.github.xiaoymin.knife4j.core.io.ResourceUtil;
import com.xiaohei.common.result.Result;
import com.xiaohei.model.process.ProcessTemplate;
import com.xiaohei.process.service.ProcessTemplateService;
import io.swagger.annotations.ApiOperation;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.access.prepost.PreAuthorize;
import org.springframework.util.ResourceUtils;
import org.springframework.validation.BindingResultUtils;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.multipart.MultipartFile;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;

/**
 * <p>
 * 审批模板 前端控制器
 * </p>
 *
 * @author xiaohei
 * @since 2024-05-05
 */
@RestController
@RequestMapping("/admin/process/processTemplate")
public class ProcessTemplateController {

    @Autowired
    private ProcessTemplateService processTemplateService;

    @ApiOperation("获取分页审批模版数据")
    @RequestMapping("{page}/{limit}")
    public Result page(@PathVariable Long page,@PathVariable Long limit){

        Page<ProcessTemplate> pageParam = new Page<>(page,limit);
        //分页查询审批模版，把审批类型对应名称查询出来并封装
        Page<ProcessTemplate> pageTemplate =
                processTemplateService.selectPageProcessTemplate(pageParam);

        return Result.ok(pageTemplate);
    }

    //@PreAuthorize("hasAuthority('bnt.processTemplate.list')")
    @ApiOperation(value = "获取")
    @GetMapping("get/{id}")
    public Result get(@PathVariable Long id) {
        ProcessTemplate processTemplate = processTemplateService.getById(id);
        return Result.ok(processTemplate);
    }

    //@PreAuthorize("hasAuthority('bnt.processTemplate.templateSet')")
    @ApiOperation(value = "新增")
    @PostMapping("save")
    public Result save(@RequestBody ProcessTemplate processTemplate) {
        processTemplateService.save(processTemplate);
        return Result.ok();
    }

    //@PreAuthorize("hasAuthority('bnt.processTemplate.templateSet')")
    @ApiOperation(value = "修改")
    @PutMapping("update")
    public Result updateById(@RequestBody ProcessTemplate processTemplate) {
        processTemplateService.updateById(processTemplate);
        return Result.ok();
    }

    //@PreAuthorize("hasAuthority('bnt.processTemplate.remove')")
    @ApiOperation(value = "删除")
    @DeleteMapping("remove/{id}")
    public Result remove(@PathVariable Long id) {
        processTemplateService.removeById(id);
        return Result.ok();
    }

    //
    @PreAuthorize("hasAuthority('bnt.processTemplate.templateSet')")
    @ApiOperation(value = "上传流程定义")
    @PostMapping("/uploadProcessDefinition")
    public Result uploadProcessDefinition(MultipartFile file) throws FileNotFoundException{

        //获取classes的绝对路径
        String absolutePath = new File(ResourceUtils.getURL("classpath:")
                .getPath()).getAbsolutePath();


        //在classes中创建一个文件夹
        File tempFile = new File(absolutePath + "/processes/");
        if(!tempFile.exists()){
            tempFile.mkdirs();
        }

        //创建一个空文件，实现文件写入
        String fileName = file.getOriginalFilename();
        File zipFile = new File(absolutePath + "/processes" + fileName);

        //保存文件
        try {
            file.transferTo(zipFile);
        } catch (IOException e) {
            return Result.fail("上传失败");
        }

        Map<String, Object> map = new HashMap<>();
        //根据上传地址后续部署流程定义，文件名称为流程定义的默认key
        map.put("processDefinitionPath", "processes/" + fileName);
        map.put("processDefinitionKey", fileName.substring(0, fileName.lastIndexOf(".")));
        return Result.ok(map);
    }

    //部署流程定义(发布)
//    @PreAuthorize("hasAuthority('bnt.processTemplate.publish')")
    @ApiOperation(value = "发布")
    @GetMapping("/publish/{id}")
    public Result publish(@PathVariable Long id){
        //修改模版发布状态
        processTemplateService.publish(id);
        return Result.ok();

    }

}

